Year	Percent
1995-01-01	26.6478
1996-01-01	22.9017
1997-01-01	25.2336
1998-01-01	36.5450
1999-01-01	42.8130
2000-01-01	43.3154
2001-01-01	38.7539
2002-01-01	38.9417
2003-01-01	51.9558
2004-01-01	62.4658
2005-01-01	72.7673
2006-01-01	79.2724
2007-01-01	81.9612
2008-01-01	83.9175
2009-01-01	85.0178
2010-01-01	84.4458
2011-01-01	84.0758
2012-01-01	85.8287
2013-01-01	86.3863
2014-01-01	85.3478
2015-01-01	84.9022
2016-01-01	82.7486